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An incident x-ray photon is scatterted from a free electron that is initailly at rest. The photon is scatterted straight back at an agle of 180 degree from its intial direction. The wavelength of the sacatered photon is 9.00x10^-2nm

What is the wavelength of the incident photon?

m

What is the magnitude of the electron after its collision?

What is the kinetic energy of the electron after its collission?

J

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